Manual
- 9 -
Observation sequence
Skyradiometer operates during airmass is under registered value.
1. observation start （end） ： Airmass ＜= 10
2. Aerosol observation interval ： Time (Every 10minute)
or Airmass (Every 0.25 step or 20minute)
3. Direct sun observation interval ： Time (60 sec )
Start Airmass＜=10 End Airmass＞=10
1
st obse
r
vat
i
o
n
---
9
:
00
2n
d obse
r
vat
i
o
n
---
9
:1
0
3
r
d obse
r
vat
i
o
n
---
9
:2
0
Example. Time / Every 10minute
1
st obse
r
vat
i
o
n
---
4
.50
2n
d obse
r
vat
i
o
n
---
4
.
2
5
3
r
d obse
r
vat
i
o
n
---
4
.00
Example. Airmass / Every 0.25
Example.Observation Starting/Ending Airmas ＝10